Discover / Minerals A–Z / Carbonate

Azurite.

A copper carbonate whose deep blue is hard to walk past. Look at the shape as well as the colour: crystals can form compact groups, blades or radiating clusters.

Azurite from Touissit, Morocco.
Azurite from Touissit, Morocco. Rob Lavinsky / iRocks.com · CC BY-SA 3.0. Image unchanged.
Cu₃(CO₃)₂(OH)₂
Mineral family
Carbonate
Crystal system
Monoclinic
Mohs hardness
3½–4
Colour
Deep blue
Typical appearance
Prismatic or tabular crystals; also rounded aggregates.

Find it in the atlas.

Touissit

These are selected documented associations, not an exhaustive distribution. A photograph or colour match alone cannot confirm identification.

Mineralogical reference ↗Read: Look before you name